This MMIO area is an entry gate to legacy PC ISA devices, addressed via
PIO over there. Quite a few of the PIO ports have side effects on access
like starting/stopping timers that must be executed properly ordered
/wrt the CPU. So we have to remove the coalescing mark.
Acked-by: Hervé Poussineau <hpoussin@reactos.org>
Acked-by: Andreas Färber <andreas.faerber@web.de>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Hotplug and parameter change are new in 1.2, disable them via compat
properties for pc-1.1 and earlier.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
pc_cmos_init() always claims 640KiB base memory, and ram_size - 1MiB
extended memory. The latter can underflow to "lots of extended
memory". Fix both, and clean up some.
Note: SeaBIOS currently requires 1MiB of RAM, and doesn't check
whether it got enough.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
hw/scsi-bus.c:758: warning: ‘xfer’ may be used uninitialized in this
function
Isn't true, but older gcc versions (for example 4.1 as shipped in rhel5)
are not clever enougth to figure, so sprinkle in a default: line to make
them happy.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Use g_strdup_printf() instead.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
QEMU has a policy of keeping a stable guest device ABI. When new guest device
features are introduced they must not change hardware info seen by existing
guests. This is important because operating systems or applications may
"fingerprint" the hardware and refuse to run when the hardware changes. To
always get the latest guest device ABI, run with x86 machine type "pc".
This patch hides the new VIRTIO_BLK_F_CONFIG_WCE virtio feature bit from
existing machine types. Only pc-1.2 and later will expose this feature
by default.
For more info on the VIRTIO_BLK_F_CONFIG_WCE feature bit, see:
commit 13e3dce068
Author: Paolo Bonzini <pbonzini@redhat.com>
Date: Thu Aug 9 16:07:19 2012 +0200
virtio-blk: support VIRTIO_BLK_F_CONFIG_WCE
Also rename VIRTIO_BLK_F_WCACHE to VIRTIO_BLK_F_WCE for consistency with
the spec.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Anthony Liguori <aliguori@us.ibm.com> reported:
This broke qemu-test because it changed the pc-1.0 machine type:
Setting guest RANDOM seed to 47167
*** Running tests ***
Running test /tests/finger-print.sh... OK
--- fingerprints/pc-1.0.x86_64 2011-12-18 13:08:40.000000000 -0600
+++ fingerprint.txt 2012-08-12 13:30:48.000000000 -0500
@@ -55,7 +55,7 @@
/sys/bus/pci/devices/0000:00:06.0/subsystem_device=0x0002
/sys/bus/pci/devices/0000:00:06.0/class=0x010000
/sys/bus/pci/devices/0000:00:06.0/revision=0x00
-/sys/bus/pci/devices/0000:00:06.0/virtio/host-features=0x710006d4
+/sys/bus/pci/devices/0000:00:06.0/virtio/host-features=0x71000ed4
/sys/class/dmi/id/bios_vendor=Bochs
/sys/class/dmi/id/bios_date=01/01/2007
/sys/class/dmi/id/bios_version=Bochs
Guest fingerprint changed for pc-1.0!
Reported-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
qemu_system_reset() function always performs the same basic actions on
all machines. This includes running all the reset handler hooks,
however the order in which these will run is not always easily predictable.
This patch splits the core of qemu_system_reset() - the invocation of
the reset handlers - out into a new qemu_devices_reset() function.
qemu_system_reset() will usually call qemu_devices_reset(), but that
can be now overriden by a new reset method in the QEMUMachine
structure.
Individual machines can use this reset method, if necessary, to
perform any extra, machine specific initializations which have to
occur before or after the bulk of the reset handlers. It's expected
that the method will call qemu_devices_reset() at some point, but if
the machine has really strange ordering requirements between devices
resets it could even override that with it's own reset sequence (with
great care, obviously).
For a specific example of when this might be needed: a number of
machines (but not PC) load images specified with -kernel or -initrd
directly into the machine RAM before booting the guest. This mostly
works at the moment, but to make this actually safe requires that this
load occurs after peripheral devices are reset - otherwise they could
have active DMAs in progress which would clobber the in memory images.
Some machines (notably pseries) also have other entry conditions which
need to be set up as the last thing before executing in guest space -
some of this could be considered "emulated firmware" in the sense that
the actions of the firmware are emulated directly by qemu rather than
by executing a firmware image within the guest. When the platform's
firmware to OS interface is sufficiently well specified, this saves
time both in implementing the "firmware" and executing it.
aliguori: don't unconditionally dereference current_machine
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
The pseries machine already supports the -vga std option, creating a
graphics adapter. However, this is not very useful without being able to
add a keyboard and mouse as well. This patch addresses this by adding
a USB interface when requested, and automatically adding a USB keyboard
and mouse when VGA is enabled.
This is a stop gap measure to get usable graphics mode on pseries while
waiting for Li Zhang's rework of USB options to go in after 1.2.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This fixes linux guests started without any USB devices not seeing newly
plugged devices until "lsusb" is done inside the guest.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
First, not all interrupts are subject to Interrupt Threshold Control,
some of them must be delivered without delay.
Second, Interrupt Threshold Control state must be part of vmstate,
otherwise we might loose IRQs on migration.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Pick other product id to fix clash with audio.
Current usage list (after applying this patch):
46f4:0001 -- usb-storage
46f4:0002 -- usb-audio
46f4:0003 -- usb-uas
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Need to clear p->result after copying setup data using usb_packet_copy()
because we'll reuse the USBPacket for the data transfer.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* agraf/ppc-for-upstream: (24 commits)
openpic: Added BRR1 register
pseries: Update SLOF firmware image
pseries dma: DMA window params added to PHB and DT population changed
pseries: Add PCI MSI/MSI-X support
pseries: Add trace event for PCI irqs
pseries: Export find_phb() utility function for PCI code
pseries: added allocator for a block of IRQs
pseries: Separate PCI RTAS setup from common from emulation specific PCI setup
pseries: Rework irq assignment to avoid carrying qemu_irqs around
pseries: Remove extraneous prints
pseries: Update SLOF
PPC: spapr: Remove global variable
PPC: spapr: Rework VGA select logic
xbzrle: fix compilation on ppc32
spapr: Add support for -vga option
Add one new file vga-pci.h and cleanup on all platforms
Revert "PPC: e500: Use new MPIC dt format"
ppc: Fix bug in handling of PAPR hypercall exits
PPC: e500: add generic e500 platform
PPC: e500: split mpc8544ds machine from generic e500 code
...
* stefanha/trivial-patches:
ivshmem, qdev-monitor: fix order of qerror parameters
iov_send_recv(): Handle zero bytes case even if OS does not
framebuffer: Fix spelling in comment (leight -> height)
Spelling fix in comment (peripherans -> peripherals)
docs: Fix spelling (propery -> property)
trace: Fix "Qemu" -> "QEMU"
cputlb.c: Fix out of date comment
ehci: fix assertion typo
Makefile: Avoid explicit list of directories in clean target
Linux mpic driver uses (changes may be in pipeline to get upstreamed soon)
BRR1. This patch adds the support to emulate readonly FSL BRR1 register.
Currently QEMU does not fully emulate any version on MPIC, so the MPIC
Major number and Minor number are set to 0.
Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Previously the only PCI bus supported was the emulated PCI bus with
fixed DMA window with start at 0 and size 1GB. As we are going to support
PCI pass through which DMA window properties are set by the host
kernel, we have to support DMA windows with parameters other than default.
This patch adds:
1. DMA window properties to sPAPRPHBState: LIOBN (bus id), start,
size of the window.
2. An additional function spapr_dma_dt() to populate DMA window
properties in the device tree which simply accepts all the parameters
and does not try to guess what kind of IOMMU is given to it.
The original spapr_dma_dt() is renamed to spapr_tcet_dma_dt().
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
This patch implements MSI and MSI-X support for the pseries PCI host
bridge. To do this it adds:
* A "config_space_address to msi_table" map, since the MSI RTAS calls
take a PCI config space address as an identifier.
* A MSIX memory region to catch msi_notify()/msix_notiry() from
virtio-pci and pass them to the guest via qemu_irq_pulse().
* RTAS call "ibm,change-msi" which sets up MSI vectors for a
device. Note that this call may configure and return lesser number of
vectors than requested.
* RTAS call "ibm,query-interrupt-source-number" which translates MSI
vector to interrupt controller (XICS) IRQ number.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
[agraf: fix error case ndev < 0]
Signed-off-by: Alexander Graf <agraf@suse.de>
This adds a trace event in the pseries PCI specific set_irq() function to
assist in debugging.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
[agraf: add trace.h include]
Signed-off-by: Alexander Graf <agraf@suse.de>
The pseries PCI code makes use of an internal find_dev() function which
locates a PCIDevice * given a (platform specific) bus ID and device
address. Internally this needs to first locate the host bridge on which
the device resides based on the bus ID. This patch exposes that host
bridge lookup as a separate function, which we will need later in the MSI
and VFIO code.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
[agraf: drop trace.h inclusion]
Signed-off-by: Alexander Graf <agraf@suse.de>
The patch adds a simple helper which allocates a consecutive sequence
of IRQs calling spapr_allocate_irq for each and checks that allocated
IRQs go consequently.
The patch is required for upcoming support of MSI/MSIX on POWER.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
Currently the RTAS functions for handling PCI are registered from the
class init code for the PCI host bridge. That sort of makes sense
now, but will break in the future when vfio gives us multiple types of
host bridge for pseries (emulated and pass-through, at least). The
RTAS functions will be common across all host bridge types (and will
call out to different places internally depending on the type).
So, this patch moves the RTAS registration into its own function
called direct from the machine setup code.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
Currently, the interfaces in the pseries machine code for assignment
and setup of interrupts pass around qemu_irq objects. That was done
in an attempt not to be too closely linked to the specific XICS
interrupt controller. However interactions with the device tree setup
made that attempt rather futile, and XICS is part of the PAPR spec
anyway, so this really just meant we had to carry both the qemu_irq
pointers and the XICS irq numbers around.
This mess will just get worse when we add upcoming PCI MSI support,
since that will require tracking a bunch more interrupt. Therefore,
this patch reworks the spapr code to just use XICS irq numbers
(roughly equivalent to GSIs on x86) and only retrieve the qemu_irq
pointers from the XICS code when we need them (a trivial lookup).
This is a reworked and generalized version of an earlier spapr_pci
specific patch from Alexey Kardashevskiy.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
[agraf: fix checkpath warning]
Signed-off-by: Alexander Graf <agraf@suse.de>
The pseries machine prints several messages to stderr whenever it starts up
and another whenever the vm is reset. It's not normal for qemu machines to
do this though, so this patch removes them. We can put them back
conditional on a DEBUG symbol if we really need them in future.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
When selecting our VGA adapter, we want to:
* fail completely when we can't satisfy the user's request
* support -nographic where no VGA adapter should be spawned
This patch reworks the logic so we fulfill the two conditions above.
Signed-off-by: Alexander Graf <agraf@suse.de>
Also instanciate the USB keyboard and mouse when that option is used
(you can still use -device to create individual devices without all
the defaults)
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Li Zhang <zhlcindy@linux.vnet.ibm.com>
[agraf: remove USB bits]
Signed-off-by: Alexander Graf <agraf@suse.de>
Functions pci_vga_init() and pci_cirrus_vga_init() are declared
in pc.h. That prevents other platforms (e.g. sPAPR) to use them.
This patch is to create one new file vga-pci.h and move the
declarations to vga-pci.h, so that they can be shared by
all platforms. This patch also cleans up on all platforms.
Signed-off-by: Li Zhang <zhlcindy@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This reverts commit 518c7fb44f. It breaks
new Linux guests with SMP, because IPIs get mapped to large vectors which
our MPIC emulation does not implement.
Conflicts:
hw/ppc/e500.c
This gives the kernel a paravirtualized machine to target, without
requiring both sides to pretend to be targeting a specific board
that likely has little to do with the host in KVM scenarios. This
avoids the need to add new boards to QEMU, just to be able to
run KVM on new CPUs.
Signed-off-by: Scott Wood <scottwood@freescale.com>
[agraf: conditionalize on CONFIG_FDT]
Signed-off-by: Alexander Graf <agraf@suse.de>
Currently the only mpc8544ds-ism that is factored out is
toplevel compatible and model. In the future the generic e500
code is expected to become more generic.
Signed-off-by: Scott Wood <scottwood@freescale.com>
[agraf: conditionalize on CONFIG_FDT]
Signed-off-by: Alexander Graf <agraf@suse.de>
No functional changes -- machine is still outwardly mpc8544ds.
The references that are not changed contain mpc8544 hardware details that
need to be parameterized if/when a different e500 platform wants to
change them.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Rename the file (with no changes other than fixing up the header paths)
in preparation for refactoring into a generic e500 platform. Also move
it into the newly created ppc/ directory.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
[agraf: conditionalize on CONFIG_FDT]
Signed-off-by: Alexander Graf <agraf@suse.de>
spapr_populate_pci_devices() populates the device tree only with bus
properties and has nothing to do with the devices on it as PCI BAR
allocation is done by the system firmware (SLOF).
New name - spapr_populate_pci_dt() - describes the functionality better.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
The PCIHostState struct already contains SysBusDevice so
the one in sPAPRPHBState has to go.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
Now that the QERR_ macros no longer contain a json dictionary,
the order of some parameters needs to be fixed for them to appear
correctly.
Signed-off-by: Alberto Garcia <agarcia@igalia.com>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
We need at least 1M of RAM to map the option ROM. Otherwise, we will
corrupt host memory or even crash:
$ qemu-system-x86_64 -nodefaults --enable-kvm -vnc :0 -m 640k
Segmentation fault (core dumped)
Reported-and-tested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
0cdd3d1444 fixed reading back the counter load time from the kernel
while assuming the kernel would always update its load time on writing
the state. That is only true for channel 1, and so pit_get_channel_info
returned wrong output pin states for high counter values.
Fix this by applying the offset also on kvm_pit_put. Now we also need to
update the offset when we write the state while the VM is stopped as it
keeps on changing in that state.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
To prepare the final fix for clock calibration issues with the in-kernel
PIT, we want to cache the offset between vmclock and the clock used by
the in-kernel PIT. So far, we only need to update it when the VM state
changes between running and stopped because we only read the in-kernel
PIT state while the VM is running.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
* qmp/queue/qmp: (48 commits)
target-ppc: add implementation of query-cpu-definitions (v2)
target-i386: add implementation of query-cpu-definitions (v2)
qapi: add query-cpu-definitions command (v2)
compiler: add macro for GCC weak symbols
qapi: add query-machines command
qapi: mark QOM commands stable
qmp: introduce device-list-properties command
qmp: add SUSPEND_DISK event
qmp: qmp-events.txt: add missing doc for the SUSPEND event
qmp: qmp-events.txt: put events in alphabetical order
qmp: emit the WAKEUP event when the guest is put to run
qmp: don't emit the RESET event on wakeup from S3
scripts: qapi-commands.py: qmp-commands.h: include qdict.h
docs: writing-qmp-commands.txt: update error section
error, qerror: drop QDict member
qerror: drop qerror_table and qerror_format()
error, qerror: pass desc string to error calls
error: drop error_get_qobject()/error_set_qobject()
qemu-ga: switch to the new error format on the wire
qmp: switch to the new error format on the wire
...
* pmaydell/arm-devs.next:
arm: Move some ARM devices into libhw
ssd0323: abort() instead of exit(1) on error.
hw/sd.c: make sd_wp_addr() return bool
hw/sd.c: make sd_dataready() return bool
hw/sd.c: convert binary variables to bool
hw/sd.c: introduce wrapper for conversion address to wp group
hw/sd.c: make sd_wp_addr() accept 64 bit address argument
hw/sd.c: convert wp_groups in SDState to bitfield
armv7m: Guard against no -kernel argument
hw/armv7m_nvic: Fix incorrect default for num-irqs property
Emitted when the guest makes a request to enter S4 state.
There are three possible ways of having this event, as described here:
http://lists.gnu.org/archive/html/qemu-devel/2012-07/msg02307.html
I've decided to add a new event and make it indepedent of SHUTDOWN.
This means that the SHUTDOWN event will eventually follow the
SUSPEND_DISK event.
I've choosen this way because of two reasons:
1. Having an indepedent event makes it possible to query for its
existence by using query-events
2. In the future, we may allow the user to change what QEMU should
do as a result of the guest entering S4. So it's a good idea to
keep both events separated
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Avoids some unnecessary dependencies on cpu.h and prepares for
a future armeb-softmmu where most machines would not be built.
Defer touching the SoC devices since most have implicit or explicit
dependencies on the CPU.
Signed-off-by: Andreas Färber <andreas.faerber@suse.de>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* qemu-kvm/uq/master:
kvm: Add documentation comment for kvm_irqchip_in_kernel()
kvm: Decouple 'GSI routing' from 'kernel irqchip'
kvm: Decouple 'MSI routing via irqfds' from 'kernel irqchip'
kvm: Decouple 'irqfds usable' from 'kernel irqchip'
kvm: Move kvm_allows_irq0_override() to target-i386, fix return type
kvm: Rename kvm_irqchip_set_irq() to kvm_set_irq()
kvm: Decouple 'async interrupt delivery' from 'kernel irqchip'
configure: Don't implicitly hardcode list of KVM architectures
kvm: Check if smp_cpus exceeds max cpus supported by kvm
To be more consistent with the newer ways of error signalling. That and SIGABT
is easier to debug with than exit(1).
Signed-off-by: Peter A. G. Crosthwaite <peter.crosthwaite@petalogix.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
For the sake of code clarity
Signed-off-by: Igor Mitsyanko <i.mitsyanko@samsung.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Several members of SDState have type int when they actually are binary variables.
Change type of these variables to bool to improve code readability. Change SD API
to be in consistency with new variables type.
Signed-off-by: Igor Mitsyanko <i.mitsyanko@samsung.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add wrapper function sd_addr_to_wpnum() to replace long address-->wg_group
conversion line.
Signed-off-by: Igor Mitsyanko <i.mitsyanko@samsung.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Currently sd_wp_addr() accepts 32 bit address arguments therefore implicitly
restricting SD card address range. Change address argument type to uint64_t.
Signed-off-by: Igor Mitsyanko <i.mitsyanko@samsung.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Representing each group write protection flag with only one bit instead of int
variable significantly reduces memory consumption.
Signed-off-by: Igor Mitsyanko <i.mitsyanko@samsung.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
A -kernel argument must be specified for this machine. Guard against no -kernel
argument. Previously gave an unhelpful "bad address" error message.
Signed-off-by: Peter A. G. Crosthwaite <peter.crosthwaite@petalogix.com>
Tested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Fix an incorrect default value for the num-irqs property (we were
attempting to override it from the default set by the parent class
but not succeeding, which meant that the lm3s6965evb model would
assert on startup attempting to wire up nonexistent irq lines).
Instead of trying to override the parent's Property array, we
define an instance_init function which runs after default setup
but before user property setting and can just fix up the default
value in the gic_state struct.
Reported-by: Peter Crosthwaite <peter.crosthwaite@petalogix.com>
Tested-by: Peter Crosthwaite <peter.crosthwaite@petalogix.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Re-implemented the interconnect between the Xilinx AXI ethernet and DMA
controllers. A QOM interface "stream" is created, for the two stream interfaces.
As per Edgars request, this is designed to be more generic than AXI-stream,
so in the future we may see more clients of this interface beyond AXI stream.
This is based primarily on Paolos original refactoring of the interconnect.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Peter A.G. Crosthwaite <peter.crosthwaite@petalogix.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
* kwolf/for-anthony:
qemu-iotests: skip 039 with ./check -nocache
block: add BLOCK_O_CHECK for qemu-img check
qcow2: mark image clean after repair succeeds
qed: mark image clean after repair succeeds
blockdev: flip default cache mode from writethrough to writeback
virtio-blk: disable write cache if not negotiated
virtio-blk: support VIRTIO_BLK_F_CONFIG_WCE
qemu-iotests: Save some sed processes
ahci: Fix sglist memleak in ahci_dma_rw_buf()
ahci: Fix ahci cdrom read corruptions for reads > 128k
virtio-blk: fix use-after-free while handling scsi commands
* bonzini/scsi-next:
scsi-disk: add support for the UNMAP command
scsi-disk: improve out-of-range LBA detection for WRITE SAME
scsi-disk: more assertions and resets for aiocb
virtio-scsi: do not compare 32-bit QEMU tags against 64-bit virtio-scsi tags
iscsi: Pick default initiator-name based on the name of the VM
iscsi: reorganize code for parse_initiator_name
iscsi: do not leak initiator_name
This patch sets is_default to 1 for puv3 machine, so that
find_default_machine() returns puv3 machine.
Thanks Dunrong for pointing it out.
Cc: Dunrong Huang <riegamaths@gmail.com>
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This patch adds puv3 dma (Direct Memory Access) support,
include dma device simulation for kernel booting.
v1->v2: Add initialization to ret in puv3_dma_read.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This patch adds puv3 pm (power management) support,
include pm device simulation for kernel booting.
Thank Blue Swirl for pointing out the missing "break".
v1->v2: Add initialization to ret in puv3_pm_read.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This patch adds puv3 gpio (General Purpose Input/Output) support,
include gpio device simulation and its interrupt support.
v1->v2: Add initialization to ret in puv3_gpio_read.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This patch adds puv3 ostimer support, include os timer
device simulation and ptimer support in puv3 machine.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This patch adds puv3 interrupt support, include interrupt controler
device simulation and interrupt handler in puv3 machine.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This patch only add puv3 soc/board support, which introduces puv3
machine description, and specifies console type.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This patch adds unicore32-softmmu build support, include configure,
makefile, arch_init, and all missing functions needed by softmmu.
Although all missing functions are empty, unicore32-softmmu could
be build successfully.
By 20120804: change QEMU_ARCH_UNICORE32 to 0x4000
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
If the guest does not support flushes, we should run in writethrough mode.
The setting is temporary until the next reset, so that for example the
BIOS will run in writethrough mode while Linux will run with a writeback
cache.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Also rename VIRTIO_BLK_F_WCACHE to VIRTIO_BLK_F_WCE for consistency with
the spec.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
I noticed that in hw/ide/ahci:ahci_dma_rw_buf() we do not free the sglist. Thus,
I've added a call to qemu_sglist_destroy() to fix this memory leak.
In addition, I've adeed a call in qemu_sglist_destroy() to 0 all of the sglist
fields, in case there is some other codepath that tries to free the sglist.
Signed-off-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
While testing q35, which has its cdrom attached to the ahci controller, I found
that the Fedora 17 install would panic on boot. The panic occurs while
squashfs is trying to read from the cdrom. The errors are:
[ 8.622711] SQUASHFS error: xz_dec_run error, data probably corrupt
[ 8.625180] SQUASHFS error: squashfs_read_data failed to read block
0x20be48a
I was also able to produce corrupt data reads using an installed piix based
qemu machine, using 'dd'. I found that the corruptions were only occuring when
then read size was greater than 128k. For example, the following command
results in corrupted reads:
dd if=/dev/sr0 of=/tmp/blah bs=256k iflag=direct
The > 128k size reads exercise a different code path than 128k and below. In
ide_atapi_cmd_read_dma_cb() s->io_buffer_size is capped at 128k. Thus,
ide_atapi_cmd_read_dma_cb() is called a second time when the read is > 128k.
However, ahci_dma_rw_buf() restart the read from offset 0, instead of at 128k.
Thus, resulting in a corrupted read.
To fix this, I've introduced 'io_buffer_offset' field in IDEState to keep
track of the offset. I've also modified ahci_populate_sglist() to take a new
3rd offset argument, so that the sglist is property initialized.
I've tested this patch using 'dd' testing, and Fedora 17 now correctly boots
and installs on q35 with the cdrom ahci controller.
Signed-off-by: Jason Baron <jbaron@redhat.com>
Tested-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The scsi passthrough handler falls through after completing a
request into the failure path, resulting in a use after free.
Reproducible by running a guest with aio=native on a block device.
Reported-by: Stefan Priebe <s.priebe@profihost.ag>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This fixes the following error:
$ qemu-system-xtensa -cpu help
Segmentation fault
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This makes usable default for -cpu option both for qemu-system-xtensa
and qemu-system-xtensaeb fixing the following error:
$ qemu-system-xtensaeb -M sim
Unable to find CPU definition
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Tested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
LOAD_UNLOAD and START_STOP have same value, so the table
entry is initialized twice. Spotted by Clang compiler.
Remove LOAD_UNLOAD entry since START_STOP entry already
represents both.
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
The qemu_irq for Terminal Count (TC) line between FDC and Slavio misc
device was created only after use, spotted by Clang compiler. Also,
it was not created if the FDC didn't exist.
Rearrange code to fix order. Always create the TC line.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Difference with AMD PCscsi is that DC-390 contains a EEPROM,
and that a romfile is available to add INT13 support.
This has been successfully tested on:
- MS DOS 6.22 (using DC390 ASPI driver)
- MS Windows 98 SE (using DC390 driver)
- MS Windows NT 3.1 (using DC390 driver)
- MS Windows NT 4.0 (using DC390 driver)
- hard disk and cdrom boot
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This reverts commit 0883c5159f.
Those stubs were only used by PCI ESP emulation, which is now
not compiled on architectures which have no PCI bus support.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
sparc machines loose ability to instanciate PCI ESP SCSI adapter,
which is not a big loose as they don't have PCI bus support.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
The unmap command can reuse the same infrastructure as MODE SELECT
for reading the descriptor list into memory. The descriptors are
processed sequentially.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Leaving the aiocb to a non-NULL value leads to an assertion failure when
rerror/werror are set to stop or enospc, and the operation is retried.
scsi-disk checks that the aiocb member is NULL before filling it.
This patch correctly resets the aiocb to NULL values everywhere,
and adds the dual assertion that the aiocb was non-NULL before
calling bdrv_acct_done.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Decouple another x86-specific assumption about what irqchips imply.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Avi Kivity <avi@redhat.com>
kvm_allows_irq0_override() is a totally x86 specific concept:
move it to the target-specific source file where it belongs.
This means we need a new header file for the prototype:
kvm_i386.h, in line with the existing kvm_ppc.h.
While we are moving it, fix the return type to be 'bool' rather
than 'int'.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Avi Kivity <avi@redhat.com>
Rename the function kvm_irqchip_set_irq() to kvm_set_irq(),
since it can be used for sending (asynchronous) interrupts whether
there is a full irqchip model in the kernel or not. (We don't
include 'async' in the function name since asynchronous is the
normal case.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Avi Kivity <avi@redhat.com>
This patch fixes a problem in handling task management functions
in virtio-scsi. The cause of the problem is a mismatch between
the size of the tag in QEMU (32-bit) and virtio-scsi (64-bit).
Changing the QEMU size is hard because the migration format
uses 32 bits to store the tag; so just don't use the QEMU tag
(virtio-scsi only uses the tag for task management functions
anyway) and look up the full 64-bit tag in the hba_private field.
The reproducer is a bit obscure. If you cause an I/O timeout
(for example with rerror=stop and doing 'cont' on the monitor
continuously without fixing the error), sooner or later the
guest will try to abort the command and reissue it. At this
point, QEMU will report _two_ errors instead of one when you
hit 'c', because the first error has not been canceled correctly.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Commit 5931065907 is incomplete,
we'll arrive in the scsi command complete callback in CSW state
and must handle that case correctly.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Legacy -drive cyls=... are now ignored completely when the drive
doesn't back a hard disk device. Before, they were first checked
against a hard disk's limits, then ignored.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Commit b1f416aa8d breaks vhost_net
because it always registers the virtio_pci_host_notifier_read() handler
function on the ioeventfd, even when vhost_net.ko is using the ioeventfd.
The result is both QEMU and vhost_net.ko polling on the same eventfd
and the virtio_net.ko guest driver seeing inconsistent results:
# ifconfig eth0 192.168.0.1 netmask 255.255.255.0
virtio_net virtio0: output:id 0 is not a head!
To fix this, proceed the same as we do for irqfd: add a parameter to
virtio_queue_set_host_notifier_fd_handler and in that case only set
the notifier, not the handler.
Cc: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Tested-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
* bonzini/scsi-next:
scsi: add support for ATA_PASSTHROUGH_xx scsi command
esp: add missing const on TypeInfo structures
esp: enable for all PCI machines
Revert "megasas: disable due to build breakage"
megasas: static SAS addresses
scsi-disk: fix compilation with DEBUG_SCSI
megasas: Update function megasys_scsi_uninit
SCSI: STARTSTOPUNIT only eject/load media if powercondition is 0
SCSI: Update the sense code for PREVENT REMOVAL errors
Correct the command names of opcode 0x85 and 0xa1, and calculate
their xfer size from CDB.
Signed-off-by: Cong Meng <mc@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* stefanha/net:
net: add the support for -netdev socket, listen
net: fix the coding style
hub: add the support for hub own flow control
net: determine if packets can be sent before net queue deliver packets
net: cleanup deliver/deliver_iov func pointers
net: Make "info network" output more readable info
net: Rename qemu_del_vlan_client() to qemu_del_net_client()
net: Rename vc local variables to nc
net: Rename VLANClientState to NetClientState
net: Rename non_vlan_clients to net_clients
net: Remove VLANState
net: Remove vlan code from net.c
net: Convert qdev_prop_vlan to peer with hub
net: Drop vlan argument to qemu_new_net_client()
hub: Check that hubs are configured correctly
net: Look up 'vlan' net clients using hubs
net: Use hubs for the vlan feature
net: Add a hub net client
net: Add interface to bridge when SIOCBRADDIF isn't available
